The occurrence of rear wipers on SUVs and hatchbacks is probably related to increased dirt that accumulated because of the rearward eddies. Conversely, sedans and vehicles with trunks don't need them as much and they would disrupt the air flow.

Grapefruits are not my favourite fruit. How many of you, when I mention grapefruit, are pulling a face as you think about how they taste? I’m going to go out on a limb here and guess that the vast majority of you are in the “it tastes terrible” corner rather than the “I eat one for breakfast every day” one (it’s a little ironic that its botanical name means "fruit of paradise.”) Yet here I am to tell you that this bitter tasting fruit is a great source of the nutrient known as folic acid, which, research suggests, may enhance brain health!

A study conducted by scientists in the UK showed that adult female chickens have the ability to be affected by and share the emotional state of fellow chickens. Which begs the question: Do chickens feel empathy?